text: The De Brouckere mean has the advantage of being more sensitive to the larger particles, which take up the largest volume of the sample, therefore giving crucial information about the product in the mining and milling industries. It was also used in combustion analysis, as the D[4,3] is less affected by the presence of very small particulate residuals, which enabled the evaluation of the primary diesel spray [https://web.archive.org/web/20190307164437/http://pdfs.semanticscholar.org/d99c/395a1b76c4c5f4b3bb88a65f7af4c2744f50.pdf]